The number 6 has a special significance. It represents the Law and Order and also associated with a Karmic Law of cause and effect. Number 6 is a perfect number, symmetrical in all parts, the number of the Soul.
Plums are ready they are not hard as a rock, soft just a little when pressed. I wouldn't use windfall, they are too ripe. If your making jam, it is best to use some underripe with the ripe ones. Last season I added small diced candied ginger to the plum jam. Really turned out nice.
Black Plum. Start indoors 6â8 weeks before last frost, plant out 1â2 weeks after last frost. Requires bottom heat for good germination. Pot up to 3-4â pots when first true leaves develop, bury to first leaves. Gradually harden off in full sun 1â2 weeks before transplanting after last frost.